Subharmonic energy-gap structure and heating effects in superconducting niobium point contacts

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Subharmonic energy-gap structure and heating effects in superconducting niobium point contacts. / Flensberg, Karsten; Hansen, Jørn Bindslev.

In: Physical Review B, Vol. 40, No. 13, 01.11.1989, p. 8693-8699.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Flensberg, K & Hansen, JB 1989, 'Subharmonic energy-gap structure and heating effects in superconducting niobium point contacts', Physical Review B, vol. 40, no. 13, pp. 8693-8699. https://doi.org/10.1103/PhysRevB.40.8693

APA

Flensberg, K., & Hansen, J. B. (1989). Subharmonic energy-gap structure and heating effects in superconducting niobium point contacts. Physical Review B, 40(13), 8693-8699. https://doi.org/10.1103/PhysRevB.40.8693

Vancouver

Flensberg K, Hansen JB. Subharmonic energy-gap structure and heating effects in superconducting niobium point contacts. Physical Review B. 1989 Nov 1;40(13):8693-8699. https://doi.org/10.1103/PhysRevB.40.8693

Author

Flensberg, Karsten ; Hansen, Jørn Bindslev. / Subharmonic energy-gap structure and heating effects in superconducting niobium point contacts. In: Physical Review B. 1989 ; Vol. 40, No. 13. pp. 8693-8699.

Bibtex

@article{feb1b72922824eb99a783cb62372fff6,
title = "Subharmonic energy-gap structure and heating effects in superconducting niobium point contacts",
abstract = "We present experimental data of the temperature-dependent subharmonic energy-gap structure (SGS) in the current-voltage (I-V) curves of superconducting niobium point contacts. The observed SGS is modified by heating effects. We construct a model of the quasiparticle conductance of metallic superconducting weak links that includes the heating effects self-consistently. Our model is combined with that of Octavio, Blonder, Klapwijk, and Tinkham [Phys. Rev. B 27, 6739 (1983)], which is based on the idea of multiple Andreev scattering in the contact. The shape and the temperature variation of the calculated SGS is found to be in good agreement with the experimental curves for contacts with resistance larger than 5 Ω.",
author = "Karsten Flensberg and Hansen, {J{\o}rn Bindslev}",
year = "1989",
month = nov,
day = "1",
doi = "10.1103/PhysRevB.40.8693",
language = "English",
volume = "40",
pages = "8693--8699",
journal = "Physical Review B",
issn = "2469-9950",
publisher = "American Physical Society",
number = "13",

}

RIS

TY - JOUR

T1 - Subharmonic energy-gap structure and heating effects in superconducting niobium point contacts

AU - Flensberg, Karsten

AU - Hansen, Jørn Bindslev

PY - 1989/11/1

Y1 - 1989/11/1

N2 - We present experimental data of the temperature-dependent subharmonic energy-gap structure (SGS) in the current-voltage (I-V) curves of superconducting niobium point contacts. The observed SGS is modified by heating effects. We construct a model of the quasiparticle conductance of metallic superconducting weak links that includes the heating effects self-consistently. Our model is combined with that of Octavio, Blonder, Klapwijk, and Tinkham [Phys. Rev. B 27, 6739 (1983)], which is based on the idea of multiple Andreev scattering in the contact. The shape and the temperature variation of the calculated SGS is found to be in good agreement with the experimental curves for contacts with resistance larger than 5 Ω.

AB - We present experimental data of the temperature-dependent subharmonic energy-gap structure (SGS) in the current-voltage (I-V) curves of superconducting niobium point contacts. The observed SGS is modified by heating effects. We construct a model of the quasiparticle conductance of metallic superconducting weak links that includes the heating effects self-consistently. Our model is combined with that of Octavio, Blonder, Klapwijk, and Tinkham [Phys. Rev. B 27, 6739 (1983)], which is based on the idea of multiple Andreev scattering in the contact. The shape and the temperature variation of the calculated SGS is found to be in good agreement with the experimental curves for contacts with resistance larger than 5 Ω.

U2 - 10.1103/PhysRevB.40.8693

DO - 10.1103/PhysRevB.40.8693

M3 - Journal article

C2 - 9991346

VL - 40

SP - 8693

EP - 8699

JO - Physical Review B

JF - Physical Review B

SN - 2469-9950

IS - 13

ER -

ID: 129606246